Austin Blackstone / Mbed 2 deprecated client-lwip-lightswitch-demo-expanded

mbed client lightswitch demo

Dependencies:   mbed Socket lwip-eth lwip-sys lwip

Fork of mbed-client-classic-example-lwip by Austin Blackstone

mbedtls/source/md5.c@11:cada08fc8a70, 2016-06-09 (annotated)

Committer:
mbedAustin
Date:
Thu Jun 09 17:08:36 2016 +0000
Revision:
11:cada08fc8a70
Commit for public Consumption

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbedAustin 11:cada08fc8a70 1 /*
mbedAustin 11:cada08fc8a70 2 * RFC 1321 compliant MD5 implementation
mbedAustin 11:cada08fc8a70 3 *
mbedAustin 11:cada08fc8a70 4 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
mbedAustin 11:cada08fc8a70 5 * SPDX-License-Identifier: Apache-2.0
mbedAustin 11:cada08fc8a70 6 *
mbedAustin 11:cada08fc8a70 7 * Licensed under the Apache License, Version 2.0 (the "License"); you may
mbedAustin 11:cada08fc8a70 8 * not use this file except in compliance with the License.
mbedAustin 11:cada08fc8a70 9 * You may obtain a copy of the License at
mbedAustin 11:cada08fc8a70 10 *
mbedAustin 11:cada08fc8a70 11 * http://www.apache.org/licenses/LICENSE-2.0
mbedAustin 11:cada08fc8a70 12 *
mbedAustin 11:cada08fc8a70 13 * Unless required by applicable law or agreed to in writing, software
mbedAustin 11:cada08fc8a70 14 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
mbedAustin 11:cada08fc8a70 15 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbedAustin 11:cada08fc8a70 16 * See the License for the specific language governing permissions and
mbedAustin 11:cada08fc8a70 17 * limitations under the License.
mbedAustin 11:cada08fc8a70 18 *
mbedAustin 11:cada08fc8a70 19 * This file is part of mbed TLS (https://tls.mbed.org)
mbedAustin 11:cada08fc8a70 20 */
mbedAustin 11:cada08fc8a70 21 /*
mbedAustin 11:cada08fc8a70 22 * The MD5 algorithm was designed by Ron Rivest in 1991.
mbedAustin 11:cada08fc8a70 23 *
mbedAustin 11:cada08fc8a70 24 * http://www.ietf.org/rfc/rfc1321.txt
mbedAustin 11:cada08fc8a70 25 */
mbedAustin 11:cada08fc8a70 26
mbedAustin 11:cada08fc8a70 27 #if !defined(MBEDTLS_CONFIG_FILE)
mbedAustin 11:cada08fc8a70 28 #include "mbedtls/config.h"
mbedAustin 11:cada08fc8a70 29 #else
mbedAustin 11:cada08fc8a70 30 #include MBEDTLS_CONFIG_FILE
mbedAustin 11:cada08fc8a70 31 #endif
mbedAustin 11:cada08fc8a70 32
mbedAustin 11:cada08fc8a70 33 #if defined(MBEDTLS_MD5_C)
mbedAustin 11:cada08fc8a70 34
mbedAustin 11:cada08fc8a70 35 #include "mbedtls/md5.h"
mbedAustin 11:cada08fc8a70 36
mbedAustin 11:cada08fc8a70 37 #include <string.h>
mbedAustin 11:cada08fc8a70 38
mbedAustin 11:cada08fc8a70 39 #if defined(MBEDTLS_SELF_TEST)
mbedAustin 11:cada08fc8a70 40 #if defined(MBEDTLS_PLATFORM_C)
mbedAustin 11:cada08fc8a70 41 #include "mbedtls/platform.h"
mbedAustin 11:cada08fc8a70 42 #else
mbedAustin 11:cada08fc8a70 43 #include <stdio.h>
mbedAustin 11:cada08fc8a70 44 #define mbedtls_printf printf
mbedAustin 11:cada08fc8a70 45 #endif /* MBEDTLS_PLATFORM_C */
mbedAustin 11:cada08fc8a70 46 #endif /* MBEDTLS_SELF_TEST */
mbedAustin 11:cada08fc8a70 47
mbedAustin 11:cada08fc8a70 48 #if !defined(MBEDTLS_MD5_ALT)
mbedAustin 11:cada08fc8a70 49
mbedAustin 11:cada08fc8a70 50 /* Implementation that should never be optimized out by the compiler */
mbedAustin 11:cada08fc8a70 51 static void mbedtls_zeroize( void *v, size_t n ) {
mbedAustin 11:cada08fc8a70 52 volatile unsigned char *p = v; while( n-- ) *p++ = 0;
mbedAustin 11:cada08fc8a70 53 }
mbedAustin 11:cada08fc8a70 54
mbedAustin 11:cada08fc8a70 55 /*
mbedAustin 11:cada08fc8a70 56 * 32-bit integer manipulation macros (little endian)
mbedAustin 11:cada08fc8a70 57 */
mbedAustin 11:cada08fc8a70 58 #ifndef GET_UINT32_LE
mbedAustin 11:cada08fc8a70 59 #define GET_UINT32_LE(n,b,i) \
mbedAustin 11:cada08fc8a70 60 { \
mbedAustin 11:cada08fc8a70 61 (n) = ( (uint32_t) (b)[(i) ] ) \
mbedAustin 11:cada08fc8a70 62 | ( (uint32_t) (b)[(i) + 1] << 8 ) \
mbedAustin 11:cada08fc8a70 63 | ( (uint32_t) (b)[(i) + 2] << 16 ) \
mbedAustin 11:cada08fc8a70 64 | ( (uint32_t) (b)[(i) + 3] << 24 ); \
mbedAustin 11:cada08fc8a70 65 }
mbedAustin 11:cada08fc8a70 66 #endif
mbedAustin 11:cada08fc8a70 67
mbedAustin 11:cada08fc8a70 68 #ifndef PUT_UINT32_LE
mbedAustin 11:cada08fc8a70 69 #define PUT_UINT32_LE(n,b,i) \
mbedAustin 11:cada08fc8a70 70 { \
mbedAustin 11:cada08fc8a70 71 (b)[(i) ] = (unsigned char) ( ( (n) ) & 0xFF ); \
mbedAustin 11:cada08fc8a70 72 (b)[(i) + 1] = (unsigned char) ( ( (n) >> 8 ) & 0xFF ); \
mbedAustin 11:cada08fc8a70 73 (b)[(i) + 2] = (unsigned char) ( ( (n) >> 16 ) & 0xFF ); \
mbedAustin 11:cada08fc8a70 74 (b)[(i) + 3] = (unsigned char) ( ( (n) >> 24 ) & 0xFF ); \
mbedAustin 11:cada08fc8a70 75 }
mbedAustin 11:cada08fc8a70 76 #endif
mbedAustin 11:cada08fc8a70 77
mbedAustin 11:cada08fc8a70 78 void mbedtls_md5_init( mbedtls_md5_context *ctx )
mbedAustin 11:cada08fc8a70 79 {
mbedAustin 11:cada08fc8a70 80 memset( ctx, 0, sizeof( mbedtls_md5_context ) );
mbedAustin 11:cada08fc8a70 81 }
mbedAustin 11:cada08fc8a70 82
mbedAustin 11:cada08fc8a70 83 void mbedtls_md5_free( mbedtls_md5_context *ctx )
mbedAustin 11:cada08fc8a70 84 {
mbedAustin 11:cada08fc8a70 85 if( ctx == NULL )
mbedAustin 11:cada08fc8a70 86 return;
mbedAustin 11:cada08fc8a70 87
mbedAustin 11:cada08fc8a70 88 mbedtls_zeroize( ctx, sizeof( mbedtls_md5_context ) );
mbedAustin 11:cada08fc8a70 89 }
mbedAustin 11:cada08fc8a70 90
mbedAustin 11:cada08fc8a70 91 void mbedtls_md5_clone( mbedtls_md5_context *dst,
mbedAustin 11:cada08fc8a70 92 const mbedtls_md5_context *src )
mbedAustin 11:cada08fc8a70 93 {
mbedAustin 11:cada08fc8a70 94 *dst = *src;
mbedAustin 11:cada08fc8a70 95 }
mbedAustin 11:cada08fc8a70 96
mbedAustin 11:cada08fc8a70 97 /*
mbedAustin 11:cada08fc8a70 98 * MD5 context setup
mbedAustin 11:cada08fc8a70 99 */
mbedAustin 11:cada08fc8a70 100 void mbedtls_md5_starts( mbedtls_md5_context *ctx )
mbedAustin 11:cada08fc8a70 101 {
mbedAustin 11:cada08fc8a70 102 ctx->total[0] = 0;
mbedAustin 11:cada08fc8a70 103 ctx->total[1] = 0;
mbedAustin 11:cada08fc8a70 104
mbedAustin 11:cada08fc8a70 105 ctx->state[0] = 0x67452301;
mbedAustin 11:cada08fc8a70 106 ctx->state[1] = 0xEFCDAB89;
mbedAustin 11:cada08fc8a70 107 ctx->state[2] = 0x98BADCFE;
mbedAustin 11:cada08fc8a70 108 ctx->state[3] = 0x10325476;
mbedAustin 11:cada08fc8a70 109 }
mbedAustin 11:cada08fc8a70 110
mbedAustin 11:cada08fc8a70 111 #if !defined(MBEDTLS_MD5_PROCESS_ALT)
mbedAustin 11:cada08fc8a70 112 void mbedtls_md5_process( mbedtls_md5_context *ctx, const unsigned char data[64] )
mbedAustin 11:cada08fc8a70 113 {
mbedAustin 11:cada08fc8a70 114 uint32_t X[16], A, B, C, D;
mbedAustin 11:cada08fc8a70 115
mbedAustin 11:cada08fc8a70 116 GET_UINT32_LE( X[ 0], data, 0 );
mbedAustin 11:cada08fc8a70 117 GET_UINT32_LE( X[ 1], data, 4 );
mbedAustin 11:cada08fc8a70 118 GET_UINT32_LE( X[ 2], data, 8 );
mbedAustin 11:cada08fc8a70 119 GET_UINT32_LE( X[ 3], data, 12 );
mbedAustin 11:cada08fc8a70 120 GET_UINT32_LE( X[ 4], data, 16 );
mbedAustin 11:cada08fc8a70 121 GET_UINT32_LE( X[ 5], data, 20 );
mbedAustin 11:cada08fc8a70 122 GET_UINT32_LE( X[ 6], data, 24 );
mbedAustin 11:cada08fc8a70 123 GET_UINT32_LE( X[ 7], data, 28 );
mbedAustin 11:cada08fc8a70 124 GET_UINT32_LE( X[ 8], data, 32 );
mbedAustin 11:cada08fc8a70 125 GET_UINT32_LE( X[ 9], data, 36 );
mbedAustin 11:cada08fc8a70 126 GET_UINT32_LE( X[10], data, 40 );
mbedAustin 11:cada08fc8a70 127 GET_UINT32_LE( X[11], data, 44 );
mbedAustin 11:cada08fc8a70 128 GET_UINT32_LE( X[12], data, 48 );
mbedAustin 11:cada08fc8a70 129 GET_UINT32_LE( X[13], data, 52 );
mbedAustin 11:cada08fc8a70 130 GET_UINT32_LE( X[14], data, 56 );
mbedAustin 11:cada08fc8a70 131 GET_UINT32_LE( X[15], data, 60 );
mbedAustin 11:cada08fc8a70 132
mbedAustin 11:cada08fc8a70 133 #define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n)))
mbedAustin 11:cada08fc8a70 134
mbedAustin 11:cada08fc8a70 135 #define P(a,b,c,d,k,s,t) \
mbedAustin 11:cada08fc8a70 136 { \
mbedAustin 11:cada08fc8a70 137 a += F(b,c,d) + X[k] + t; a = S(a,s) + b; \
mbedAustin 11:cada08fc8a70 138 }
mbedAustin 11:cada08fc8a70 139
mbedAustin 11:cada08fc8a70 140 A = ctx->state[0];
mbedAustin 11:cada08fc8a70 141 B = ctx->state[1];
mbedAustin 11:cada08fc8a70 142 C = ctx->state[2];
mbedAustin 11:cada08fc8a70 143 D = ctx->state[3];
mbedAustin 11:cada08fc8a70 144
mbedAustin 11:cada08fc8a70 145 #define F(x,y,z) (z ^ (x & (y ^ z)))
mbedAustin 11:cada08fc8a70 146
mbedAustin 11:cada08fc8a70 147 P( A, B, C, D, 0, 7, 0xD76AA478 );
mbedAustin 11:cada08fc8a70 148 P( D, A, B, C, 1, 12, 0xE8C7B756 );
mbedAustin 11:cada08fc8a70 149 P( C, D, A, B, 2, 17, 0x242070DB );
mbedAustin 11:cada08fc8a70 150 P( B, C, D, A, 3, 22, 0xC1BDCEEE );
mbedAustin 11:cada08fc8a70 151 P( A, B, C, D, 4, 7, 0xF57C0FAF );
mbedAustin 11:cada08fc8a70 152 P( D, A, B, C, 5, 12, 0x4787C62A );
mbedAustin 11:cada08fc8a70 153 P( C, D, A, B, 6, 17, 0xA8304613 );
mbedAustin 11:cada08fc8a70 154 P( B, C, D, A, 7, 22, 0xFD469501 );
mbedAustin 11:cada08fc8a70 155 P( A, B, C, D, 8, 7, 0x698098D8 );
mbedAustin 11:cada08fc8a70 156 P( D, A, B, C, 9, 12, 0x8B44F7AF );
mbedAustin 11:cada08fc8a70 157 P( C, D, A, B, 10, 17, 0xFFFF5BB1 );
mbedAustin 11:cada08fc8a70 158 P( B, C, D, A, 11, 22, 0x895CD7BE );
mbedAustin 11:cada08fc8a70 159 P( A, B, C, D, 12, 7, 0x6B901122 );
mbedAustin 11:cada08fc8a70 160 P( D, A, B, C, 13, 12, 0xFD987193 );
mbedAustin 11:cada08fc8a70 161 P( C, D, A, B, 14, 17, 0xA679438E );
mbedAustin 11:cada08fc8a70 162 P( B, C, D, A, 15, 22, 0x49B40821 );
mbedAustin 11:cada08fc8a70 163
mbedAustin 11:cada08fc8a70 164 #undef F
mbedAustin 11:cada08fc8a70 165
mbedAustin 11:cada08fc8a70 166 #define F(x,y,z) (y ^ (z & (x ^ y)))
mbedAustin 11:cada08fc8a70 167
mbedAustin 11:cada08fc8a70 168 P( A, B, C, D, 1, 5, 0xF61E2562 );
mbedAustin 11:cada08fc8a70 169 P( D, A, B, C, 6, 9, 0xC040B340 );
mbedAustin 11:cada08fc8a70 170 P( C, D, A, B, 11, 14, 0x265E5A51 );
mbedAustin 11:cada08fc8a70 171 P( B, C, D, A, 0, 20, 0xE9B6C7AA );
mbedAustin 11:cada08fc8a70 172 P( A, B, C, D, 5, 5, 0xD62F105D );
mbedAustin 11:cada08fc8a70 173 P( D, A, B, C, 10, 9, 0x02441453 );
mbedAustin 11:cada08fc8a70 174 P( C, D, A, B, 15, 14, 0xD8A1E681 );
mbedAustin 11:cada08fc8a70 175 P( B, C, D, A, 4, 20, 0xE7D3FBC8 );
mbedAustin 11:cada08fc8a70 176 P( A, B, C, D, 9, 5, 0x21E1CDE6 );
mbedAustin 11:cada08fc8a70 177 P( D, A, B, C, 14, 9, 0xC33707D6 );
mbedAustin 11:cada08fc8a70 178 P( C, D, A, B, 3, 14, 0xF4D50D87 );
mbedAustin 11:cada08fc8a70 179 P( B, C, D, A, 8, 20, 0x455A14ED );
mbedAustin 11:cada08fc8a70 180 P( A, B, C, D, 13, 5, 0xA9E3E905 );
mbedAustin 11:cada08fc8a70 181 P( D, A, B, C, 2, 9, 0xFCEFA3F8 );
mbedAustin 11:cada08fc8a70 182 P( C, D, A, B, 7, 14, 0x676F02D9 );
mbedAustin 11:cada08fc8a70 183 P( B, C, D, A, 12, 20, 0x8D2A4C8A );
mbedAustin 11:cada08fc8a70 184
mbedAustin 11:cada08fc8a70 185 #undef F
mbedAustin 11:cada08fc8a70 186
mbedAustin 11:cada08fc8a70 187 #define F(x,y,z) (x ^ y ^ z)
mbedAustin 11:cada08fc8a70 188
mbedAustin 11:cada08fc8a70 189 P( A, B, C, D, 5, 4, 0xFFFA3942 );
mbedAustin 11:cada08fc8a70 190 P( D, A, B, C, 8, 11, 0x8771F681 );
mbedAustin 11:cada08fc8a70 191 P( C, D, A, B, 11, 16, 0x6D9D6122 );
mbedAustin 11:cada08fc8a70 192 P( B, C, D, A, 14, 23, 0xFDE5380C );
mbedAustin 11:cada08fc8a70 193 P( A, B, C, D, 1, 4, 0xA4BEEA44 );
mbedAustin 11:cada08fc8a70 194 P( D, A, B, C, 4, 11, 0x4BDECFA9 );
mbedAustin 11:cada08fc8a70 195 P( C, D, A, B, 7, 16, 0xF6BB4B60 );
mbedAustin 11:cada08fc8a70 196 P( B, C, D, A, 10, 23, 0xBEBFBC70 );
mbedAustin 11:cada08fc8a70 197 P( A, B, C, D, 13, 4, 0x289B7EC6 );
mbedAustin 11:cada08fc8a70 198 P( D, A, B, C, 0, 11, 0xEAA127FA );
mbedAustin 11:cada08fc8a70 199 P( C, D, A, B, 3, 16, 0xD4EF3085 );
mbedAustin 11:cada08fc8a70 200 P( B, C, D, A, 6, 23, 0x04881D05 );
mbedAustin 11:cada08fc8a70 201 P( A, B, C, D, 9, 4, 0xD9D4D039 );
mbedAustin 11:cada08fc8a70 202 P( D, A, B, C, 12, 11, 0xE6DB99E5 );
mbedAustin 11:cada08fc8a70 203 P( C, D, A, B, 15, 16, 0x1FA27CF8 );
mbedAustin 11:cada08fc8a70 204 P( B, C, D, A, 2, 23, 0xC4AC5665 );
mbedAustin 11:cada08fc8a70 205
mbedAustin 11:cada08fc8a70 206 #undef F
mbedAustin 11:cada08fc8a70 207
mbedAustin 11:cada08fc8a70 208 #define F(x,y,z) (y ^ (x | ~z))
mbedAustin 11:cada08fc8a70 209
mbedAustin 11:cada08fc8a70 210 P( A, B, C, D, 0, 6, 0xF4292244 );
mbedAustin 11:cada08fc8a70 211 P( D, A, B, C, 7, 10, 0x432AFF97 );
mbedAustin 11:cada08fc8a70 212 P( C, D, A, B, 14, 15, 0xAB9423A7 );
mbedAustin 11:cada08fc8a70 213 P( B, C, D, A, 5, 21, 0xFC93A039 );
mbedAustin 11:cada08fc8a70 214 P( A, B, C, D, 12, 6, 0x655B59C3 );
mbedAustin 11:cada08fc8a70 215 P( D, A, B, C, 3, 10, 0x8F0CCC92 );
mbedAustin 11:cada08fc8a70 216 P( C, D, A, B, 10, 15, 0xFFEFF47D );
mbedAustin 11:cada08fc8a70 217 P( B, C, D, A, 1, 21, 0x85845DD1 );
mbedAustin 11:cada08fc8a70 218 P( A, B, C, D, 8, 6, 0x6FA87E4F );
mbedAustin 11:cada08fc8a70 219 P( D, A, B, C, 15, 10, 0xFE2CE6E0 );
mbedAustin 11:cada08fc8a70 220 P( C, D, A, B, 6, 15, 0xA3014314 );
mbedAustin 11:cada08fc8a70 221 P( B, C, D, A, 13, 21, 0x4E0811A1 );
mbedAustin 11:cada08fc8a70 222 P( A, B, C, D, 4, 6, 0xF7537E82 );
mbedAustin 11:cada08fc8a70 223 P( D, A, B, C, 11, 10, 0xBD3AF235 );
mbedAustin 11:cada08fc8a70 224 P( C, D, A, B, 2, 15, 0x2AD7D2BB );
mbedAustin 11:cada08fc8a70 225 P( B, C, D, A, 9, 21, 0xEB86D391 );
mbedAustin 11:cada08fc8a70 226
mbedAustin 11:cada08fc8a70 227 #undef F
mbedAustin 11:cada08fc8a70 228
mbedAustin 11:cada08fc8a70 229 ctx->state[0] += A;
mbedAustin 11:cada08fc8a70 230 ctx->state[1] += B;
mbedAustin 11:cada08fc8a70 231 ctx->state[2] += C;
mbedAustin 11:cada08fc8a70 232 ctx->state[3] += D;
mbedAustin 11:cada08fc8a70 233 }
mbedAustin 11:cada08fc8a70 234 #endif /* !MBEDTLS_MD5_PROCESS_ALT */
mbedAustin 11:cada08fc8a70 235
mbedAustin 11:cada08fc8a70 236 /*
mbedAustin 11:cada08fc8a70 237 * MD5 process buffer
mbedAustin 11:cada08fc8a70 238 */
mbedAustin 11:cada08fc8a70 239 void mbedtls_md5_update( mbedtls_md5_context *ctx, const unsigned char *input, size_t ilen )
mbedAustin 11:cada08fc8a70 240 {
mbedAustin 11:cada08fc8a70 241 size_t fill;
mbedAustin 11:cada08fc8a70 242 uint32_t left;
mbedAustin 11:cada08fc8a70 243
mbedAustin 11:cada08fc8a70 244 if( ilen == 0 )
mbedAustin 11:cada08fc8a70 245 return;
mbedAustin 11:cada08fc8a70 246
mbedAustin 11:cada08fc8a70 247 left = ctx->total[0] & 0x3F;
mbedAustin 11:cada08fc8a70 248 fill = 64 - left;
mbedAustin 11:cada08fc8a70 249
mbedAustin 11:cada08fc8a70 250 ctx->total[0] += (uint32_t) ilen;
mbedAustin 11:cada08fc8a70 251 ctx->total[0] &= 0xFFFFFFFF;
mbedAustin 11:cada08fc8a70 252
mbedAustin 11:cada08fc8a70 253 if( ctx->total[0] < (uint32_t) ilen )
mbedAustin 11:cada08fc8a70 254 ctx->total[1]++;
mbedAustin 11:cada08fc8a70 255
mbedAustin 11:cada08fc8a70 256 if( left && ilen >= fill )
mbedAustin 11:cada08fc8a70 257 {
mbedAustin 11:cada08fc8a70 258 memcpy( (void *) (ctx->buffer + left), input, fill );
mbedAustin 11:cada08fc8a70 259 mbedtls_md5_process( ctx, ctx->buffer );
mbedAustin 11:cada08fc8a70 260 input += fill;
mbedAustin 11:cada08fc8a70 261 ilen -= fill;
mbedAustin 11:cada08fc8a70 262 left = 0;
mbedAustin 11:cada08fc8a70 263 }
mbedAustin 11:cada08fc8a70 264
mbedAustin 11:cada08fc8a70 265 while( ilen >= 64 )
mbedAustin 11:cada08fc8a70 266 {
mbedAustin 11:cada08fc8a70 267 mbedtls_md5_process( ctx, input );
mbedAustin 11:cada08fc8a70 268 input += 64;
mbedAustin 11:cada08fc8a70 269 ilen -= 64;
mbedAustin 11:cada08fc8a70 270 }
mbedAustin 11:cada08fc8a70 271
mbedAustin 11:cada08fc8a70 272 if( ilen > 0 )
mbedAustin 11:cada08fc8a70 273 {
mbedAustin 11:cada08fc8a70 274 memcpy( (void *) (ctx->buffer + left), input, ilen );
mbedAustin 11:cada08fc8a70 275 }
mbedAustin 11:cada08fc8a70 276 }
mbedAustin 11:cada08fc8a70 277
mbedAustin 11:cada08fc8a70 278 static const unsigned char md5_padding[64] =
mbedAustin 11:cada08fc8a70 279 {
mbedAustin 11:cada08fc8a70 280 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 281 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 282 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
mbedAustin 11:cada08fc8a70 283 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
mbedAustin 11:cada08fc8a70 284 };
mbedAustin 11:cada08fc8a70 285
mbedAustin 11:cada08fc8a70 286 /*
mbedAustin 11:cada08fc8a70 287 * MD5 final digest
mbedAustin 11:cada08fc8a70 288 */
mbedAustin 11:cada08fc8a70 289 void mbedtls_md5_finish( mbedtls_md5_context *ctx, unsigned char output[16] )
mbedAustin 11:cada08fc8a70 290 {
mbedAustin 11:cada08fc8a70 291 uint32_t last, padn;
mbedAustin 11:cada08fc8a70 292 uint32_t high, low;
mbedAustin 11:cada08fc8a70 293 unsigned char msglen[8];
mbedAustin 11:cada08fc8a70 294
mbedAustin 11:cada08fc8a70 295 high = ( ctx->total[0] >> 29 )
mbedAustin 11:cada08fc8a70 296 | ( ctx->total[1] << 3 );
mbedAustin 11:cada08fc8a70 297 low = ( ctx->total[0] << 3 );
mbedAustin 11:cada08fc8a70 298
mbedAustin 11:cada08fc8a70 299 PUT_UINT32_LE( low, msglen, 0 );
mbedAustin 11:cada08fc8a70 300 PUT_UINT32_LE( high, msglen, 4 );
mbedAustin 11:cada08fc8a70 301
mbedAustin 11:cada08fc8a70 302 last = ctx->total[0] & 0x3F;
mbedAustin 11:cada08fc8a70 303 padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last );
mbedAustin 11:cada08fc8a70 304
mbedAustin 11:cada08fc8a70 305 mbedtls_md5_update( ctx, md5_padding, padn );
mbedAustin 11:cada08fc8a70 306 mbedtls_md5_update( ctx, msglen, 8 );
mbedAustin 11:cada08fc8a70 307
mbedAustin 11:cada08fc8a70 308 PUT_UINT32_LE( ctx->state[0], output, 0 );
mbedAustin 11:cada08fc8a70 309 PUT_UINT32_LE( ctx->state[1], output, 4 );
mbedAustin 11:cada08fc8a70 310 PUT_UINT32_LE( ctx->state[2], output, 8 );
mbedAustin 11:cada08fc8a70 311 PUT_UINT32_LE( ctx->state[3], output, 12 );
mbedAustin 11:cada08fc8a70 312 }
mbedAustin 11:cada08fc8a70 313
mbedAustin 11:cada08fc8a70 314 #endif /* !MBEDTLS_MD5_ALT */
mbedAustin 11:cada08fc8a70 315
mbedAustin 11:cada08fc8a70 316 /*
mbedAustin 11:cada08fc8a70 317 * output = MD5( input buffer )
mbedAustin 11:cada08fc8a70 318 */
mbedAustin 11:cada08fc8a70 319 void mbedtls_md5( const unsigned char *input, size_t ilen, unsigned char output[16] )
mbedAustin 11:cada08fc8a70 320 {
mbedAustin 11:cada08fc8a70 321 mbedtls_md5_context ctx;
mbedAustin 11:cada08fc8a70 322
mbedAustin 11:cada08fc8a70 323 mbedtls_md5_init( &ctx );
mbedAustin 11:cada08fc8a70 324 mbedtls_md5_starts( &ctx );
mbedAustin 11:cada08fc8a70 325 mbedtls_md5_update( &ctx, input, ilen );
mbedAustin 11:cada08fc8a70 326 mbedtls_md5_finish( &ctx, output );
mbedAustin 11:cada08fc8a70 327 mbedtls_md5_free( &ctx );
mbedAustin 11:cada08fc8a70 328 }
mbedAustin 11:cada08fc8a70 329
mbedAustin 11:cada08fc8a70 330 #if defined(MBEDTLS_SELF_TEST)
mbedAustin 11:cada08fc8a70 331 /*
mbedAustin 11:cada08fc8a70 332 * RFC 1321 test vectors
mbedAustin 11:cada08fc8a70 333 */
mbedAustin 11:cada08fc8a70 334 static const unsigned char md5_test_buf[7][81] =
mbedAustin 11:cada08fc8a70 335 {
mbedAustin 11:cada08fc8a70 336 { "" },
mbedAustin 11:cada08fc8a70 337 { "a" },
mbedAustin 11:cada08fc8a70 338 { "abc" },
mbedAustin 11:cada08fc8a70 339 { "message digest" },
mbedAustin 11:cada08fc8a70 340 { "abcdefghijklmnopqrstuvwxyz" },
mbedAustin 11:cada08fc8a70 341 { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" },
mbedAustin 11:cada08fc8a70 342 { "12345678901234567890123456789012345678901234567890123456789012" \
mbedAustin 11:cada08fc8a70 343 "345678901234567890" }
mbedAustin 11:cada08fc8a70 344 };
mbedAustin 11:cada08fc8a70 345
mbedAustin 11:cada08fc8a70 346 static const int md5_test_buflen[7] =
mbedAustin 11:cada08fc8a70 347 {
mbedAustin 11:cada08fc8a70 348 0, 1, 3, 14, 26, 62, 80
mbedAustin 11:cada08fc8a70 349 };
mbedAustin 11:cada08fc8a70 350
mbedAustin 11:cada08fc8a70 351 static const unsigned char md5_test_sum[7][16] =
mbedAustin 11:cada08fc8a70 352 {
mbedAustin 11:cada08fc8a70 353 { 0xD4, 0x1D, 0x8C, 0xD9, 0x8F, 0x00, 0xB2, 0x04,
mbedAustin 11:cada08fc8a70 354 0xE9, 0x80, 0x09, 0x98, 0xEC, 0xF8, 0x42, 0x7E },
mbedAustin 11:cada08fc8a70 355 { 0x0C, 0xC1, 0x75, 0xB9, 0xC0, 0xF1, 0xB6, 0xA8,
mbedAustin 11:cada08fc8a70 356 0x31, 0xC3, 0x99, 0xE2, 0x69, 0x77, 0x26, 0x61 },
mbedAustin 11:cada08fc8a70 357 { 0x90, 0x01, 0x50, 0x98, 0x3C, 0xD2, 0x4F, 0xB0,
mbedAustin 11:cada08fc8a70 358 0xD6, 0x96, 0x3F, 0x7D, 0x28, 0xE1, 0x7F, 0x72 },
mbedAustin 11:cada08fc8a70 359 { 0xF9, 0x6B, 0x69, 0x7D, 0x7C, 0xB7, 0x93, 0x8D,
mbedAustin 11:cada08fc8a70 360 0x52, 0x5A, 0x2F, 0x31, 0xAA, 0xF1, 0x61, 0xD0 },
mbedAustin 11:cada08fc8a70 361 { 0xC3, 0xFC, 0xD3, 0xD7, 0x61, 0x92, 0xE4, 0x00,
mbedAustin 11:cada08fc8a70 362 0x7D, 0xFB, 0x49, 0x6C, 0xCA, 0x67, 0xE1, 0x3B },
mbedAustin 11:cada08fc8a70 363 { 0xD1, 0x74, 0xAB, 0x98, 0xD2, 0x77, 0xD9, 0xF5,
mbedAustin 11:cada08fc8a70 364 0xA5, 0x61, 0x1C, 0x2C, 0x9F, 0x41, 0x9D, 0x9F },
mbedAustin 11:cada08fc8a70 365 { 0x57, 0xED, 0xF4, 0xA2, 0x2B, 0xE3, 0xC9, 0x55,
mbedAustin 11:cada08fc8a70 366 0xAC, 0x49, 0xDA, 0x2E, 0x21, 0x07, 0xB6, 0x7A }
mbedAustin 11:cada08fc8a70 367 };
mbedAustin 11:cada08fc8a70 368
mbedAustin 11:cada08fc8a70 369 /*
mbedAustin 11:cada08fc8a70 370 * Checkup routine
mbedAustin 11:cada08fc8a70 371 */
mbedAustin 11:cada08fc8a70 372 int mbedtls_md5_self_test( int verbose )
mbedAustin 11:cada08fc8a70 373 {
mbedAustin 11:cada08fc8a70 374 int i;
mbedAustin 11:cada08fc8a70 375 unsigned char md5sum[16];
mbedAustin 11:cada08fc8a70 376
mbedAustin 11:cada08fc8a70 377 for( i = 0; i < 7; i++ )
mbedAustin 11:cada08fc8a70 378 {
mbedAustin 11:cada08fc8a70 379 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 380 mbedtls_printf( " MD5 test #%d: ", i + 1 );
mbedAustin 11:cada08fc8a70 381
mbedAustin 11:cada08fc8a70 382 mbedtls_md5( md5_test_buf[i], md5_test_buflen[i], md5sum );
mbedAustin 11:cada08fc8a70 383
mbedAustin 11:cada08fc8a70 384 if( memcmp( md5sum, md5_test_sum[i], 16 ) != 0 )
mbedAustin 11:cada08fc8a70 385 {
mbedAustin 11:cada08fc8a70 386 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 387 mbedtls_printf( "failed\n" );
mbedAustin 11:cada08fc8a70 388
mbedAustin 11:cada08fc8a70 389 return( 1 );
mbedAustin 11:cada08fc8a70 390 }
mbedAustin 11:cada08fc8a70 391
mbedAustin 11:cada08fc8a70 392 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 393 mbedtls_printf( "passed\n" );
mbedAustin 11:cada08fc8a70 394 }
mbedAustin 11:cada08fc8a70 395
mbedAustin 11:cada08fc8a70 396 if( verbose != 0 )
mbedAustin 11:cada08fc8a70 397 mbedtls_printf( "\n" );
mbedAustin 11:cada08fc8a70 398
mbedAustin 11:cada08fc8a70 399 return( 0 );
mbedAustin 11:cada08fc8a70 400 }
mbedAustin 11:cada08fc8a70 401
mbedAustin 11:cada08fc8a70 402 #endif /* MBEDTLS_SELF_TEST */
mbedAustin 11:cada08fc8a70 403
mbedAustin 11:cada08fc8a70 404 #endif /* MBEDTLS_MD5_C */